The Big Bang Theory
Season 9·EPISODE 03
The Bachelor Party Corrosion
WatchedS09 · E03
The guys' science skills are put to the test when they get a flat tire during Leonard's bachelor party weekend in Mexico. Also, the girls force Penny to finally tell her family that she eloped with Leonard.
AIR DATEOct 5, 2015Original broadcast date
RUNTIME19m19 minutes
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